#include<iostream>
using namespace std;
const int N = 1e5 + 10;
int a[N],b[N],c[N],d[N]; 
int main()
{
	int x,y,g,k,flag = 0;
	int r; cin >> r;
	for(int i = 0 ; i < r; i++)
	{
		cin >> a[i] >> b[i] >> c[i] >> d[i];
	}
	cin >> x >> y;
	for(int i = r; i >= 0; i--)
	{
		if(a[i] <= x && b[i] <= y && a[i] + c[i] >= x && b[i] + d[i] >= y)
		{
			flag = 1;
			cout << i << endl;
			break;
		}
	}
	if(flag == 0) cout << -1 << endl;
	return 0;
} 
